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公开(公告)号：US09407849B2
公开(公告)日：2016-08-02
申请号：US14084705
申请日：2013-11-20
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sung Ho Suh , Yu Jin Park , Jin Ho Seo , Kwi Sung Yoo , Seung Hyun Lim , Seog Heon Ham , Kyoung Min Koh , Han Yang , Jae Cheol Yun , Yong Lim , Jae Jin Jung
CPC classification number: H04N5/378 , H04N5/3742
Abstract: An image sensor includes a first column pair and a second column pair among a plurality of columns of a pixel array, an analog-to-digital converter pair, and a switch arrangement circuit configured to connect the first column pair with the analog-to-digital converter pair in response to first switch control signals such that two rows among a plurality of rows in the pixel array are read during a single access time.
Abstract translation: 图像传感器包括像素阵列的多列之中的第一列对和第二列对，模数转换器对以及被配置为将第一列对与模拟 - 数字转换器对连接的开关布置电路， 数字转换器对响应于第一开关控制信号，使得在单个访问时间期间读取像素阵列中的多行中的两行。
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2.发明授权公开(公告)号：US09380231B2
公开(公告)日：2016-06-28
申请号：US14595317
申请日：2015-01-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Han Yang , Sin-Hwan Lim , Kyoung-Min Koh , Jae-Cheol Yun , Kwang-Hyun Lee , Soon-Ik Cho
CPC classification number: H04N5/3575 , H04N5/378
Abstract: A correlated double sampling (CDS) circuit may include a sampling circuit and a switching circuit. The CDS circuit may perform a CDS operation on a reset component of an input signal and an image component of the input signal based on a ramp signal, and the CDS circuit may generate an output signal. The switching circuit may include an auto-zero switch that connects a first input terminal receiving the input signal to an output node in response to an auto-zero control signal during an auto-zero interval. The switching circuit may connect a first terminal of the auto-zero switch to a reference voltage in order to cutoff a leakage current flowing to the auto-zero switch in response to a first boosting control signal during a first comparison interval and a second comparison interval. The output signal may be provided at the output node.
Abstract translation: 相关双采样（CDS）电路可以包括采样电路和开关电路。 CDS电路可以基于斜坡信号对输入信号的复位分量和输入信号的图像分量执行CDS操作，并且CDS电路可以生成输出信号。 开关电路可以包括自动调零开关，其在自动归零区间期间响应于自动归零控制信号将接收输入信号的第一输入端连接到输出节点。 开关电路可以将自动调零开关的第一端连接到参考电压，以便在第一比较间隔和第二比较间隔期间响应于第一升压控制信号来截止流向自动调零开关的漏电流 。 可以在输出节点处提供输出信号。
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公开(公告)号：US20160037065A1
公开(公告)日：2016-02-04
申请号：US14880663
申请日：2015-10-12
Applicant: Samsung Electronics Co., Ltd.
Inventor： Han Yang , Kwang-hyun Lee
CPC classification number: H04N5/23229 , H04N5/35563 , H04N5/374 , H04N5/378
Abstract: An image sensor senses object information and converts the sensed object information into an electrical signal. An image processing apparatus uses the image sensor. The image sensor includes a column signal line connected to output terminals of a plurality of pixel sensors, a comparator circuit configured to output a signal corresponding to a comparison result of a signal output to the column signal line and a reference signal, an ADC circuit configured to convert an analog signal corresponding to an optical signal sensed by the pixel sensor selected from the plurality of pixel sensors connected to the column signal line into digital data based on the signal output from the comparator circuit and, a load circuit connected in series to the comparator circuit between the column signal line and a ground terminal, wherein the load circuit is configured as a common load device of the plurality of pixel sensors connected to the column signal line and the comparator circuit.
Abstract translation: 图像传感器感测对象信息并将感测到的对象信息转换为电信号。 图像处理装置使用图像传感器。 图像传感器包括连接到多个像素传感器的输出端的列信号线，比较器电路，被配置为输出对应于输出到列信号线的信号和参考信号的比较结果的信号，配置的ADC电路 基于从比较器电路输出的信号，将与从连接到列信号线的多个像素传感器中选择的像素传感器感测到的光信号相对应的模拟信号转换为数字数据;以及负载电路， 列信号线和接地端子之间的比较器电路，其中负载电路被配置为连接到列信号线和比较器电路的多个像素传感器的公共负载装置。
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4.发明授权公开(公告)号：US09055250B2
公开(公告)日：2015-06-09
申请号：US14276687
申请日：2014-05-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Yu Jin Park , Jin Ho Seo , Seog Heon Ham , Kwang Hyun Lee , Han Yang
IPC: H04N5/335 , H04N5/3745 , H04N5/357 , G01J1/46 , H04N5/378
CPC classification number: H04N5/3745 , G01J1/46 , H04N5/335 , H04N5/357 , H04N5/378
Abstract: A CDS circuit includes first capacitors; second capacitors; and a switch arrangement which, in response to a switch control signal, connects the first capacitors in series between a pixel signal output node and a ground to compress the pixel signal and connects the second capacitors in series between a ramp signal output node and the ground to compress the ramp signal, or connects the first capacitors in parallel between the pixel signal output node and a first input node of the comparator and connects the second capacitors in parallel between the ramp signal output node and a second input node of the comparator.
Abstract translation: CDS电路包括第一电容器; 第二电容器; 以及开关装置，其响应于开关控制信号将第一电容器串联连接在像素信号输出节点和地之间以压缩像素信号，并将第二电容器串联连接在斜坡信号输出节点和地之间 压缩斜坡信号，或者将像素信号输出节点和比较器的第一输入节点并联的第一电容器连接在斜坡信号输出节点和比较器的第二输入节点之间并联连接第二电容器。
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公开(公告)号：US11792545B2
公开(公告)日：2023-10-17
申请号：US17678268
申请日：2022-02-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jaehoon Jun , Han Yang
IPC: H04N25/709 , H04N25/75
CPC classification number: H04N25/709 , H04N25/75
Abstract: An image sensor including: a pixel array including first and second pixels connected to a column line; a row driver to provide the first pixel with a first selection signal based on a clamp voltage, and to provide the second pixel with a second selection signal based on a selection voltage, wherein the first pixel outputs a first output voltage in response to the first selection signal, and the second pixel outputs a second output voltage in response to the second selection signal, wherein the first and second output voltages are output as a pixel signal through the column line, wherein a voltage of the pixel signal corresponds to a voltage obtained by clamping the second output voltage with the first output voltage, and wherein a change in a voltage level of the first output voltage due to a temperature is compensated for by the clamp voltage.
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Patent Agency Ranking
公开(公告)号：US10979659B2
公开(公告)日：2021-04-13
申请号：US16670268
申请日：2019-10-31
Applicant: Samsung Electronics Co., Ltd.
Inventor： Han Yang
Abstract: An image sensor includes a unit pixel, a first compensation circuit generating a first compensation voltage signal to compensate for horizontal noise corresponding to a variation in an input signal of a horizontal line coupled to the column line, a second compensation circuit generating a second compensation voltage signal to compensate for power noise corresponding to a variation in a power supply voltage, and a readout circuit including a first transistor, having a gate connected to an output terminal of the first compensation circuit, and a second transistor, connected to the first transistor in parallel, having a gate connected to an output terminal of the second compensation circuit, the readout circuit being configured to calibrate at least one of an output signal of the unit pixel and a ramp voltage signal, output by a ramp generator, using the first compensation voltage signal and the second compensation voltage signal.
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公开(公告)号：US20130201361A1
公开(公告)日：2013-08-08
申请号：US13760556
申请日：2013-02-06
Applicant: Samsung Electronics Co., Ltd.
Inventor： Han Yang , Kwang-Hyun LEE
IPC: H04N5/232
CPC classification number: H04N5/23229 , H04N5/35563 , H04N5/374 , H04N5/378
Abstract: An image sensor senses object information and converts the sensed object information into an electrical signal. An image processing apparatus uses the image sensor. The image sensor includes a column signal line connected to output terminals of a plurality of pixel sensors, a comparator circuit configured to output a signal corresponding to a comparison result of a signal output to the column signal line and a reference signal, an ADC circuit configured to convert an analog signal corresponding to an optical signal sensed by the pixel sensor selected from the plurality of pixel sensors connected to the column signal line into digital data based on the signal output from the comparator circuit and, a load circuit connected in series to the comparator circuit between the column signal line and a ground terminal, wherein the load circuit is configured as a common load device of the plurality of pixel sensors connected to the column signal line and the comparator circuit.
Abstract translation: 图像传感器感测对象信息并将感测到的对象信息转换为电信号。 图像处理装置使用图像传感器。 图像传感器包括连接到多个像素传感器的输出端的列信号线，比较器电路，被配置为输出对应于输出到列信号线的信号和参考信号的比较结果的信号，配置的ADC电路 基于从比较器电路输出的信号，将与从连接到列信号线的多个像素传感器中选择的像素传感器感测到的光信号相对应的模拟信号转换为数字数据;以及负载电路， 列信号线和接地端子之间的比较器电路，其中负载电路被配置为连接到列信号线和比较器电路的多个像素传感器的公共负载装置。
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8.发明授权公开(公告)号：US11616926B2
公开(公告)日：2023-03-28
申请号：US17569844
申请日：2022-01-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jaehoon Jun , Han Yang
Abstract: Disclosed is a circuit which includes a first amplifier that generates a first output signal by comparing a ramp signal and a reset signal of a pixel signal output from a pixel array in a first operating period and comparing the ramp signal and an image signal of the pixel signal output from the pixel array in a second operating period, a second amplifier that generates a second output signal based on the first output signal, and a counter. During at least one operating period of the first operating period and the second operating period, the first output signal controls a first source current of the first amplifier, or the second output signal controls at least one of the first source current of the first amplifier and a second source current of the second amplifier.
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9.发明申请公开(公告)号：US20220353452A1
公开(公告)日：2022-11-03
申请号：US17569844
申请日：2022-01-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jaehoon JUN , Han Yang
IPC: H04N5/3745 , H03M1/56 , H04N5/369
Abstract: Disclosed is a circuit which includes a first amplifier that generates a first output signal by comparing a ramp signal and a reset signal of a pixel signal output from a pixel array in a first operating period and comparing the ramp signal and an image signal of the pixel signal output from the pixel array in a second operating period, a second amplifier that generates a second output signal based on the first output signal, and a counter. During at least one operating period of the first operating period and the second operating period, the first output signal controls a first source current of the first amplifier, or the second output signal controls at least one of the first source current of the first amplifier and a second source current of the second amplifier.
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公开(公告)号：US10205905B2
公开(公告)日：2019-02-12
申请号：US15860836
申请日：2018-01-03
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kyoung-Min Koh , Ju-Hyun Ko , Han Yang , Jae-Cheol Yun , Kwang-Hyun Lee , Seon-Ju Lee
IPC: H04N3/14 , H04N5/335 , H04N9/04 , H04N9/083 , H04N5/235 , H04N5/378 , H04N5/347 , H04N5/232 , H04N5/355 , H04N5/369 , H04N5/3745
Abstract: An image sensor includes a pixel array in which a plurality of pixels, first and second row selection lines separated from each other, and first and second column lines separated from each other are disposed and a column selecting circuit configured to connect the first and second column lines using a column selection signal. The pixel array includes a first pixel which is connected to the first row selection line and the first column line and a second pixel which is disposed in the same row as the first pixel and connected to the second row selection line and the second column line.
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